155312415554 has 16 divisors (see below), whose sum is σ = 234349809120. Its totient is φ = 77196108000.

The previous prime is 155312415547. The next prime is 155312415593. The reversal of 155312415554 is 455514213551.

It is a super-2 number, since 2×155312415554² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1002077 + ... + 1146639.

It is an arithmetic number, because the mean of its divisors is an integer number (14646863070).

Almost surely, 2^155312415554 is an apocalyptic number.

155312415554 is a deficient number, since it is larger than the sum of its proper divisors (79037393566).

155312415554 is a wasteful number, since it uses less digits than its factorization.

155312415554 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 147745.

The product of its digits is 300000, while the sum is 41.

The spelling of 155312415554 in words is "one hundred fifty-five billion, three hundred twelve million, four hundred fifteen thousand, five hundred fifty-four".